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17. Fie mulţimile: A = {x|x€ 2,-2 Calculaţi: A UB, A O B, A\B


17 Fie Mulţimile A Xx 22 Calculaţi A UB A O B AB class=

Răspuns :

Răspuns:

Explicație pas cu pas:

-2≤x≤4, x∈Z

x={-2,-1,0,1,2,3,4}

A={-2,-1,0,1,2,3,4}

|x|<3

-3<x<3

x={-2,-1,0,1,2}

B={-2,-1,0,1,2}

A∪B={-2,-1,0,1,2,3,4}

A∩B={-2,-1,0,1,2}

A\B={-3,4}

B\A=∅